Updated: January 2010
Returns the regular expression pattern that was passed into the Regex constructor.
Assembly: System (in System.dll)
The pattern parameter consists of various regular expression language elements that symbolically describe the string to match. For more information about regular expressions, see .NET Framework Regular Expressions and Regular Expression Language - Quick Reference.Notes to Inheritors:
Regex is the base class of regular expressions created by the CompileToAssembly method. These compiled regular expressions use the implementation of the base class. If called from a derived class, the method returns the string that was passed to the pattern parameter of the RegexCompilationInfo class constructor that was used to define the regular expression.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.